2016
DOI: 10.11137/2016_2_77_87
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Invertebrate Taphonomy of Sítio Canastra, Romualdo Formation, Lower Cretaceous, Araripe Basin, Araripina, Pernambuco, Brazil

Abstract: ResumoA Formação Romualdo, Bacia do Araripe, corresponde a rochas sedimentares de ambiente transicional a marinho raso depositadas durante o Neoaptiano-Eoalbiano. No sítio Canastra, município de Araripina, Estado de Pernambuco, observam-se argilitos gradando para calcarenitos na base do afloramento. Nódulos calcários que na maioria das vezes abrigam peixes, são frequentemente encontrados nos argilitos. O paleoambiente é interpretado como transicional com variação de energia, sugerindo sucessivos ciclos transgr… Show more

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Cited by 4 publications
(3 citation statements)
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“…Although coquinas are similar regarding their taxonomic composition, they differ in the abundance of groups. Thus, overtime, the environment would have maintained the abiotic conditions necessary for the establishment of a fauna with possible salinity variations that would favor the predominance of certain groups, as it has been already observed in previous studies (Pereira et al 2015, Prado et al 2016.…”
Section: Discussionmentioning
confidence: 72%
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“…Although coquinas are similar regarding their taxonomic composition, they differ in the abundance of groups. Thus, overtime, the environment would have maintained the abiotic conditions necessary for the establishment of a fauna with possible salinity variations that would favor the predominance of certain groups, as it has been already observed in previous studies (Pereira et al 2015, Prado et al 2016.…”
Section: Discussionmentioning
confidence: 72%
“…However, most of the studied coquinas were from the state of Ceará, and are exclusively formed by molluscs (Sales 2005, Prado et al 2014, Batista et al 2015. Echinoid-bearing coquinas had only been found in the west border of the basin, Araripina county, Pernambuco State, Brazil (Beurlen 1966, Prado et al 2015, 2016 (Fig. 1).…”
Section: Introductionmentioning
confidence: 99%
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